All Common Core: High School - Algebra Resources
Example Questions
Example Question #299 : Arithmetic With Polynomials & Rational Expressions
Use FOIL for the following expression.
The first step is to rewrite the problem as follows.
Now we multiply the first parts of the first and second expression together.
Now we multiply the first term of the first expression with the second term of the second expression.
Now we multiply the second term of the first expression with the first term of the second expression.
Now we multiply the last terms of each expression together.
Now we add all these results together, and we get.
Example Question #300 : Arithmetic With Polynomials & Rational Expressions
Use FOIL for the following expression.
The first step is to rewrite the problem as follows.
Now we multiply the first parts of the first and second expression together.
Now we multiply the first term of the first expression with the second term of the second expression.
Now we multiply the second term of the first expression with the first term of the second expression.
Now we multiply the last terms of each expression together.
Now we add all these results together, and we get.
Example Question #131 : Polynomial Identities And Numerical Relationships: Ccss.Math.Content.Hsa Apr.C.4
Which of the following expressions is equivalent to the expression above?
The first step is to rewrite the problem as follows.
Now we multiply the first parts of the first and second expression together.
Now we multiply the first term of the first expression with the second term of the second expression.
Now we multiply the second term of the first expression with the first term of the second expression.
Now we multiply the last terms of each expression together.
Now we add all these results together, and we get.
Example Question #1 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
Use Pascal's Triangle to Expand,
Not Possible
In order to do this, we need to recall the formula for Pascal's Triangle.
Since the exponent in the question is 12 we can replace , with 12 .
Now our equation looks like
Now we compute the sum, term by term.
Term 1 :
Term 2 :
Term 3 :
Term 4 :
Term 5 :
Term 6 :
Term 7 :
Term 8 :
Term 9 :
Term 10 :
Term 11 :
Term 12 :
Term 13 :
Now we combine the expressions and we get
Example Question #2 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
What is the coefficient of in the expansion of ?
There is no coefficient
In order to do this, we need to recall the formula for Pascal's Triangle.
The part in the expression that we care about is the combination.
We simply do this by looking at the exponent of , and the exponent of the original equation.
In this case and
Now we compute the following
Example Question #3 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
Use Pascal's Triangle to Expand
Not Possible
In order to do this, we need to recall the formula for Pascal's Triangle.
Since the exponent in the question is 18 we can replace , with 18 .
Now our equation looks like
Now we compute the sum, term by term.
Term 1 :
Term 2 :
Term 3 :
Term 4 :
Term 5 :
Term 6 :
Term 7 :
Term 8 :
Term 9 :
Term 10 :
Term 11 :
Term 12 :
Term 13 :
Term 14 :
Term 15 :
Term 16 :
Term 17 :
Term 18 :
Term 19 :
Now we combine the expressions and we get
Example Question #4 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
What is the coefficient of in the expansion of ?
There is no coefficient
In order to do this, we need to recall the formula for Pascal's Triangle.
The part in the expression that we care about is the combination.
We simply do this by looking at the exponent of , and the exponent of the original equation.
In this case and
Now we compute the following
Example Question #3 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
Use Pascal's Triangle to Expand
Not Possible
In order to do this, we need to recall the formula for Pascal's Triangle.
Since the exponent in the question is 8 we can replace , with 8 .
Now our equation looks like
Now we compute the sum, term by term.
Term 1 :
Term 2 :
Term 3 :
Term 4 :
Term 5 :
Term 6 :
Term 7 :
Term 8 :
Term 9 :
Now we combine the expressions and we get
Example Question #3 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
What is the coefficient of in the expansion of ?
There is no coefficient
In order to do this, we need to recall the formula for Pascal's Triangle.
The part in the expression that we care about is the combination.
We simply do this by looking at the exponent of , and the exponent of the original equation.
In this case and
Now we compute the following
Example Question #4 : Using The Binomial Theorem For Expansion: Ccss.Math.Content.Hsa Apr.C.5
Use Pascal's Triangle to Expand
Not Possible
In order to do this, we need to recall the formula for Pascal's Triangle.
Since the exponent in the question is 7 we can replace , with 7 .
Now our equation looks like
Now we compute the sum, term by term.
Term 1 :
Term 2 :
Term 3 :
Term 4 :
Term 5 :
Term 6 :
Term 7 :
Term 8 :
Now we combine the expressions and we get